v0.2.0 - Alpha release

What's Changed

Added

• Module system - Added require for splitting Falx programs across multiple .flx files.
• Diagnostics system - Added structured, unique diagnostic codes and improved runtime error reporting.
• Source locations - Added missing line and column information to lexer and parser exceptions.
• Improved exceptions - Replaced generic Python runtime errors with dedicated Falx exceptions for many language errors.
• Assertions - Added the assert statement for validating conditions at runtime.

Fixed

• Fixed a bug where augmented assignment operators such as += and -= could evaluate their operands twice.

Other Changes

• Continued improvements to error messages and diagnostics throughout the interpreter.
• Added and expanded tests covering modules, exceptions, diagnostics, and related edge cases.

Pull Requests

• [Issue 7]
• [Fix augmented assignment double evaluation]
• [Modules]
• [Exceptions]
• [Add missing SourceLocations to Lexer & Parser exceptions]
• [Diagnostics]

Full Changelog: v0.1.0...v0.2.0